Home / 27,237.88-37,578.84-15,299.56

Finding the Fourth Proportional to 27,237.88, 37,578.84 and 15,299.56

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Solution

The fourth proportional to 27,237.88, 37,578.84 and 15,299.56 is: 21,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,237.88 : 37,578.84 = 15,299.56 : x
  2. Step 2: Convert to fraction form
    27,237.88/37,578.84 = 15,299.56/x
  3. Step 3: Cross multiply
    27,237.88x = 37,578.84 × 15,299.56
  4. Step 4: Simplify right side
    27,237.88x = 574,939,717.31
  5. Step 5: Solve for x
    x = 574,939,717.31/27,237.88
  6. Step 6: Final answer
    x = 21,108.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.